So I just bought a HMD-A240 off Ebay the otehr day from a guy that said it ran perfect I got the moniter unpacked it and pluged it in it powerd up and the bottom left and right corner are all messed up(it looks like some one put a magnet up against it) So I try to degause it and it goes away for a split second and comes right back. anyone have any idea on what the problem is and maybe how to fix it?. thank you 